Shimokita Peninsula
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Shimokita Peninsula
is the remote northeastern cape of the Japanese island of Honshū, stretching out towards Hokkaidō. Overview It is bordered by the Pacific Ocean to the east, Tsugaru Strait to the north and Mutsu Bay to the west and south. Shaped like an axe pointing west, the peninsula has a thin "axe handle" connecting the mountainous "axe blade" to the mainland of Honshū to the south. The peninsula contains the northernmost point on Honshū, Cape Ōma, and the largest sand dunes in Japan (the Sarugamori Sand Dunes). The peninsula owes its name to its being the lower (''shimo'') portion of the former Kita District (North District) of Mutsu Province before the premodern province was divided in 1868. Administratively the area is a part of Aomori Prefecture, and the bulk of the area falls within the jurisdiction of the city of Mutsu, with a number of small towns and villages along the periphery. Most of the inhabitants live in coastal areas rather than the mountainous interior. Portions o ...
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Aomori Prefecture
is a prefecture of Japan in the Tōhoku region. The prefecture's capital, largest city, and namesake is the city of Aomori. Aomori is the northernmost prefecture on Japan's main island, Honshu, and is bordered by the Pacific Ocean to the east, Iwate Prefecture to the southeast, Akita Prefecture to the southwest, the Sea of Japan to the west, and Hokkaido across the Tsugaru Strait to the north. Aomori Prefecture is the 8th-largest prefecture, with an area of , and the 31st-most populous prefecture, with more than 1.2 million people. Approximately 45 percent of Aomori Prefecture's residents live in its two core cities, Aomori and Hachinohe, which lie on coastal plains. The majority of the prefecture is covered in forested mountain ranges, with population centers occupying valleys and plains. Aomori is the third-most populous prefecture in the Tōhoku region, after Miyagi Prefecture and Fukushima Prefecture. Mount Iwaki, an active stratovolcano, is the prefecture's highest p ...
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Hotokegaura
is a series of rock formations along the sea cliffs on the west coast of Shimokita Peninsula at the entrance to Mutsu Bay in far northern Japan. These rock formations were designed a Natural Monument of Aomori Prefecture in 1934, and became further protected from April 23, 1941 as a nationally designated Place of Scenic Beauty and Natural Monument, From 1968, the rock formations were also located within the borders of the Shimokita Hantō Quasi-National Park. In 1975, the surrounding waters were designated as Hotokegaura Marine Park. Overview These natural wave-eroded formations are made from green volcanic tuff, with a height of approximately and extend for a stretch of coastline in the village of Sai, Aomori Prefecture. Individual features have been named for figures in Buddhist theology, and were popularised by the poet and mountaineer Omachi Keigetsu (1869-1925) after his visit in September 1922, although the area had been well-known since the Edo period at part of the ...
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Strata
In geology and related fields, a stratum ( : strata) is a layer of rock or sediment characterized by certain lithologic properties or attributes that distinguish it from adjacent layers from which it is separated by visible surfaces known as either '' bedding surfaces'' or ''bedding planes''.Salvador, A. ed., 1994. ''International stratigraphic guide: a guide to stratigraphic classification, terminology, and procedure. 2nd ed.'' Boulder, Colorado, The Geological Society of America, Inc., 215 pp. . Prior to the publication of the International Stratigraphic Guide, older publications have defined a stratum as either being either equivalent to a single bed or composed of a number of beds; as a layer greater than 1 cm in thickness and constituting a part of a bed; or a general term that includes both ''bed'' and ''lamina''.Neuendorf, K.K.E., Mehl, Jr., J.P., and Jackson, J.A. , eds., 2005. ''Glossary of Geology'' 5th ed. Alexandria, Virginia, American Geological Institute. 779 pp. . ...
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Fault (geology)
In geology, a fault is a planar fracture or discontinuity in a volume of rock across which there has been significant displacement as a result of rock-mass movements. Large faults within Earth's crust result from the action of plate tectonic forces, with the largest forming the boundaries between the plates, such as the megathrust faults of subduction zones or transform faults. Energy release associated with rapid movement on active faults is the cause of most earthquakes. Faults may also displace slowly, by aseismic creep. A ''fault plane'' is the plane that represents the fracture surface of a fault. A ''fault trace'' or ''fault line'' is a place where the fault can be seen or mapped on the surface. A fault trace is also the line commonly plotted on geologic maps to represent a fault. A ''fault zone'' is a cluster of parallel faults. However, the term is also used for the zone of crushed rock along a single fault. Prolonged motion along closely spaced faults can blur the ...
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Volcanic Front
A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. On Earth, volcanoes are most often found where tectonic plates are diverging or converging, and most are found underwater. For example, a mid-ocean ridge, such as the Mid-Atlantic Ridge, has volcanoes caused by divergent tectonic plates whereas the Pacific Ring of Fire has volcanoes caused by convergent tectonic plates. Volcanoes can also form where there is stretching and thinning of the crust's plates, such as in the East African Rift and the Wells Gray-Clearwater volcanic field and Rio Grande rift in North America. Volcanism away from plate boundaries has been postulated to arise from upwelling diapirs from the core–mantle boundary, deep in the Earth. This results in hotspot volcanism, of which the Hawaiian hotspot is an example. Volcanoes are usually not created where two tectonic plates slide pa ...
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Interglacial
An interglacial period (or alternatively interglacial, interglaciation) is a geological interval of warmer global average temperature lasting thousands of years that separates consecutive glacial periods within an ice age. The current Holocene interglacial began at the end of the Pleistocene, about 11,700 years ago. Pleistocene During the 2.5 million years of the Pleistocene, numerous glacials, or significant advances of continental ice sheets, in North America and Europe, occurred at intervals of approximately 40,000 to 100,000 years. The long glacial periods were separated by more temperate and shorter interglacials. During interglacials, such as the present one, the climate warms and the tundra recedes polewards following the ice sheets. Forests return to areas that once supported tundra vegetation. Interglacials are identified on land or in shallow epicontinental seas by their paleontology. Floral and faunal remains of species pointing to temperate climate and indicating a s ...
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Eemian
The Eemian (also called the last interglacial, Sangamonian, Sangamonian Stage, Ipswichian, Mikulin, Kaydaky, penultimate,NOAA - Penultimate Interglacial Period http://www.ncdc.noaa.gov/global-warming/penultimate-interglacial-period Valdivia or Riss-Würm) was the interglacial period which began about 130,000 years ago at the end of the Penultimate Glacial Period and ended about 115,000 years ago at the beginning of the Last Glacial Period. It corresponds to Marine Isotope Stage 5e. Although sometimes referred to as the "last interglacial" (in the "most recent previous" sense of "last"), it was the second-to-latest interglacial period of the current Ice Age, the most recent being the Holocene which extends to the present day (having followed the last glacial period). The prevailing Eemian climate was, on average, around 1 to 2 degrees Celsius (1.8 to 3.6 Fahrenheit) warmer than that of the Holocene. During the Eemian, the proportion of in the atmosphere was about 280 parts per mill ...
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Ocean Drilling
Offshore drilling is a mechanical process where a wellbore is drilled below the seabed. It is typically carried out in order to explore for and subsequently extract petroleum that lies in rock formations beneath the seabed. Most commonly, the term is used to describe drilling activities on the continental shelf, though the term can also be applied to drilling in lakes, inshore waters and inland seas. Offshore drilling presents environmental challenges, both offshore and onshore from the produced hydrocarbons and the materials used during the drilling operation. Controversies include the ongoing US offshore drilling debate. There are many different types of facilities from which offshore drilling operations take place. These include bottom founded drilling rigs ( jackup barges and swamp barges), combined drilling and production facilities either bottom founded or floating platforms, and deepwater mobile offshore drilling units (MODU) including semi-submersibles or drillships. The ...
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Rokkasho, Aomori
is a village in Aomori Prefecture, Japan. , the village had an estimated population of 10,200, and a population density of 40 persons per km², in 4,855 households. The total area of the village is . Geography Rokkasho occupies the eastern coastline of the base of Shimokita Peninsula, facing the Pacific Ocean to the east. The village forms the northern shoreline of Lake Ogawara. Neighbouring municipalities Aomori Prefecture * Misawa * Shimokita District **Higashidōri * Kamikita District **Yokohama **Noheji ** Tōhoku Climate The village has a cold maritime climate characterized by cool short summers and long cold winters with heavy snowfall (Köppen climate classification ''Cfa''). The average annual temperature in Rokkasho is 9.6 °C. The average annual rainfall is 1213 mm with September as the wettest month. The temperatures are highest on average in August, at around 22.4 °C, and lowest in January, at around -2.0 °C. Demographics Per Japanese cen ...
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Commercial Fishing
Commercial fishing is the activity of catching fish and other seafood for commercial profit, mostly from wild fisheries. It provides a large quantity of food to many countries around the world, but those who practice it as an industry must often pursue fish far into the ocean under adverse conditions. Large-scale commercial fishing is also known as industrial fishing. The major fishing industries are not only owned by major corporations but by small families as well. In order to adapt to declining fish populations and increased demand, many commercial fishing operations have reduced the sustainability of their harvest by fishing further down the food chain. This raises concern for fishery managers and researchers, who highlight how further they say that for those reasons, the sustainability of the marine ecosystems could be in danger of collapsing. Commercial fishermen harvest a wide variety of animals. However, a very small number of species support the majority of the world ...
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Onsen
In Japan, are the country's hot springs and the bathing facilities and traditional inns around them. As a volcanically active country, Japan has many onsens scattered throughout all of its major islands. There are approximately 25,000 hot spring sources throughout Japan that provide hot mineral water to about 3,000 genuine onsen establishments. Onsens come in many types and shapes, including and . Baths may be either publicly run by a municipality or privately, often as part of a hotel, ''ryokan'', or . The presence of an onsen is often indicated on signs and maps by the symbol ♨ or the kanji (''yu'', meaning "hot water"). Sometimes the simpler hiragana character ゆ (''yu''), understandable to younger children, is used. Traditionally, onsens were located outdoors, although many inns have now built indoor bathing facilities as well. Nowadays, as most households have their own bath, the number of traditional public baths has decreased, but the number of sightseeing ho ...
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Yagen Valley
is a hot spring located in the former town of Ohata, which is now part of the city of Mutsu in northern Japan. Description The onsen consists of multiple ryokan surrounded by old growth forests located along the Ohata River within Shimokita Hanto Quasi-National Park. The area includes a nationally-run campground called 'Kokusetsu Yagen Yaeijo'. Oku-yagen Hot Spring is located 2 km upriver and an called 'Kappa-no-yu' . The outdoor baths 'Oku-yagen Onsen Rest House' and 'Fufu-kappa-no-yu' (Wedded Kappa Bath) are run by the municipality and are both located along the riverside. Kappa-no-yu Hot Spring is located next to an abandoned inn. With little to no upkeep, this hot spring is closed and drained during the winter months. Clogging the drain will fill the pool in 7–8 hours, but the pool will need to be cleaned by removal of leaves and twigs prior to use. The water is can be enjoyed during the winter months. During the summer it can be too hot to get into. Public trans ...
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